t/README: justify why "! grep foo" is sufficient

diff --git a/preload-index.c b/preload-index.c
index 49cb08df96faa90101bb25d8f96acaffc066f19b..8c44ceb2c715936b314fc10a7aae3dfb44172327 100644 (file)
--- a/preload-index.c
+++ b/preload-index.c
@@ -2,9 +2,11 @@
  * Copyright (C) 2008 Linus Torvalds
  */
 #include "cache.h"
+#include "pathspec.h"
 
 #ifdef NO_PTHREADS
-static void preload_index(struct index_state *index, const char **pathspec)
+static void preload_index(struct index_state *index,
+                         const struct pathspec *pathspec)
 {
        ; /* nothing */
 }
@@ -24,7 +26,7 @@ static void preload_index(struct index_state *index, const char **pathspec)
 struct thread_data {
        pthread_t pthread;
        struct index_state *index;
-       const char **pathspec;
+       struct pathspec pathspec;
        int offset, nr;
 };
 
@@ -35,9 +37,7 @@ static void *preload_thread(void *_data)
        struct index_state *index = p->index;
        struct cache_entry **cep = index->cache + p->offset;
        struct cache_def cache;
-       struct pathspec pathspec;
 
-       init_pathspec(&pathspec, p->pathspec);
        memset(&cache, 0, sizeof(cache));
        nr = p->nr;
        if (nr + p->offset > index->cache_nr)
@@ -53,7 +53,7 @@ static void *preload_thread(void *_data)
                        continue;
                if (ce_uptodate(ce))
                        continue;
-               if (!ce_path_match(ce, &pathspec))
+               if (!ce_path_match(ce, &p->pathspec))
                        continue;
                if (threaded_has_symlink_leading_path(&cache, ce->name, ce_namelen(ce)))
                        continue;
@@ -63,11 +63,11 @@ static void *preload_thread(void *_data)
                        continue;
                ce_mark_uptodate(ce);
        } while (--nr > 0);
-       free_pathspec(&pathspec);
        return NULL;
 }
 
-static void preload_index(struct index_state *index, const char **pathspec)
+static void preload_index(struct index_state *index,
+                         const struct pathspec *pathspec)
 {
        int threads, i, work, offset;
        struct thread_data data[MAX_PARALLEL];
@@ -82,10 +82,12 @@ static void preload_index(struct index_state *index, const char **pathspec)
                threads = MAX_PARALLEL;
        offset = 0;
        work = DIV_ROUND_UP(index->cache_nr, threads);
+       memset(&data, 0, sizeof(data));
        for (i = 0; i < threads; i++) {
                struct thread_data *p = data+i;
                p->index = index;
-               p->pathspec = pathspec;
+               if (pathspec)
+                       copy_pathspec(&p->pathspec, pathspec);
                p->offset = offset;
                p->nr = work;
                offset += work;
@@ -100,7 +102,8 @@ static void preload_index(struct index_state *index, const char **pathspec)
 }
 #endif
 
-int read_index_preload(struct index_state *index, const char **pathspec)
+int read_index_preload(struct index_state *index,
+                      const struct pathspec *pathspec)
 {
        int retval = read_index(index);